The first time I flew this plane, it was pulled down and to the left, it wouldn't fly at all. Today was the second time, the motor angle was down a little, now it's neutral, there's a little to the left. Now it's flying, but under throttle, it's climbing. Well, that's fixable. But the fact that it still pulls to the left, even with a significant amount of aileron trim, is bad. It's clearly a flaw in the airframe's geometry.
Any thoughts on what the problem might be? Maybe the wing isn't perpendicular to the fuselage, or maybe one wing needs to be lowered slightly and the other raised relative to the elevator's horizontal stabilizer?
Everything looks fine to the eye.